As with all Ryobi batteries so, this one didnt even come close to the warranty period. And as usual, I cant get a hold of Ryobi to get a replacement. I have left Call Back requests ever day for two weeks without ever getting a call back. I have left numerous emails, without any interest in helping me. I have sat on hold for 20 minutes at a time without ever getting to talk to anyone. I finally went into the store and asked to talk to a Manager. When I explained my problem to the person at the Cu